• Sushma Bhatnagar, Saurabh Joshi, S P S Rana, Seema Mishra, Rakesh Garg, and Syed M Ahmed.
• Department of Anaesthesiology, Pain and Palliative Care, IRCH, AIIMS, New Delhi, India.
• Pain Pract. 2014 Feb 1;14(2):E63-8.

IntroductionPercutaneous anterior abdominal ultrasound guidance for performing celiac plexus neurolysis is a relatively new but more economical, less time-consuming, more comfortable bedside technique for interventional pain management. Paucity of studies evaluating the efficacy of single-site vs. double-site injections at celiac trunk for ultrasound-guided celiac plexus neurolysis (USCPN) prompted us to conduct a prospective, randomized, single-blind clinical trial to compare USCPN using bilateral paramedian (double needle) technique with unilateral paramedian (single needle) technique.MethodsSixty patients aged 18 years or older with unresectable upper abdominal cancers were randomized into two groups to receive USCPN. A 20-mL mixture of 50% ethanol with 0.25% bupivacaine was injected either unilaterally (20 mL×1 site) or bilaterally (10 mL×2 sites) depending on the randomization group. Subjects were assessed for the pain relief using Numerical rating scale (NRS) to assess their pain relief.ResultsBaseline parameters being comparable (P > 0.05), the site of drug injections (single or double needle) had no bearing on the onset of pain relief and patient satisfaction scores (P > 0.05). Pain relief during follow-up visits was comparable between the two groups (P > 0.05). The discomfort score correlated well with the pain relief scoring without any significant difference between the two groups except in the last visit (at 3 month). Incidences of the complications were comparable in the two groups (P > 0.05).ConclusionUltrasound-guided celiac plexus neurolysis using unilateral paramedian (single needle) needle-insertion technique is comparable with bilateral paramedian (double needle) needle-insertion technique with regard to pain relief and side effects.© 2013 World Institute of Pain.

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